Home / 72,380,129.10-108,585,940.05-23,849,724.30

Finding the Fourth Proportional to 72,380,129.10, 108,585,940.05 and 23,849,724.30

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Solution

The fourth proportional to 72,380,129.10, 108,585,940.05 and 23,849,724.30 is: 35,779,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,380,129.10 : 108,585,940.05 = 23,849,724.30 : x
  2. Step 2: Convert to fraction form
    72,380,129.10/108,585,940.05 = 23,849,724.30/x
  3. Step 3: Cross multiply
    72,380,129.10x = 108,585,940.05 × 23,849,724.30
  4. Step 4: Simplify right side
    72,380,129.10x = 2,589,744,733,048,828
  5. Step 5: Solve for x
    x = 2,589,744,733,048,828/72,380,129.10
  6. Step 6: Final answer
    x = 35,779,774.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.